The papers of Benjamin Miessner. Correspondence, patents, photographs, and clippings documenting the engineering and inventing career of Benjamin F. Miessner. Miessner was a pioneer researcher in electronic musical instruments and receivers, phonography, radio dynamics, directional microphones for aircraft and submarines, and aircraft radio. At the time of his retirement in 1959 Miessner had been granted over 200 patents in the U.S. and foreign countries. He also perfected the Wurlitzer organ and electronic piano. Some of the subjects included in the papers are: The Baldwin Company, Brunswick-Balke-Collender Company, C.G. Conn, Ltd., electronic piano, electronic organ, fountain pen inventions and development, John Hays Hammond Jr., inventions, laboratory notebooks, Miessner Radio Corporation, phonograph recordings, Radio Corporation of America, Simon Radio, Stromberg-Carlson Telephone Manufacturing Company, hearings and reports from Congress on patents, World War II, and Rudolph Wurlitzer Company.